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Recent content by gearhead1

  1. gearhead1

    WOG Rating

    API Spec 6A valves (Specification for Wellhead and Christmas Tree Equipment)carry the WOG mark. In this spec the Water Oil Gas pressure rating is the working pressure of the valve at whatever temp class it is in. These valves come in 2,000, 3,000, 5,000, 10,000 15,000 and 20,000 WOG ratings...

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